Answer:
Fidelity Bond
Explanation:
Based on the information provided within the question it can be said that the type of insurance that covers this is a Insuring Agreement called a Fidelity Bond. This is a type of insurance that covers the buyer of the policy from any losses that they may incur from a specific individual that works for them embezzling money or doing any other fraudulent behavior. Similar to what the head teller did to the bank in this scenario.
